Primary Weapons MK1-M2-LWR MK1 Mod 2-M Black Anodized Stripped Lower For AR-15, Oversized Ambidextrous Bolt Release/Catch
PWS MK1 MOD 2-M Multi-Caliber Lower, T6 7075 Forged, Hard Coat Black Anodized per MIL-A-8625F Type III Class 2, AR-15 Compatible. Proprietary Parts Included: Left side magazine release, Bolt catch spring, Bolt catch screws, Tension screw, Bolt release lever, Bolt release through pin. Weight: 7.6 oz. stripped with no parts installed